IDT71421SA20J8,IC SRAM 16KBIT 20NS 52PLCC
IDT71421SA20PF,IC SRAM 16KBIT 20NS 64TQFP
IDT71421SA20PF8,IC SRAM 16KBIT 20NS 64TQFP
IDT71421SA25J,IC SRAM 16KBIT 25NS 52PLCC
IDT71421SA25J8,IC SRAM 16KBIT 25NS 52PLCC
IDT71421SA25PF,IC SRAM 16KBIT 25NS 64TQFP
IDT71421SA25PF8,IC SRAM 16KBIT 25NS 64TQFP
IDT71421SA35J,IC SRAM 16KBIT 35NS 52PLCC